/*
 * Project Chronos — direct interaction feedback
 *
 * This layer is intentionally renderer-independent. It provides a short
 * signal on the element under interaction and, on the public landing page,
 * restores the cinematic scene-wide pulse without relying on WebGL.
 */

[data-chronos-interactive] {
  --chronos-signal-color: #72e8ff;
  --chronos-signal-secondary: rgba(255, 54, 130, .72);
}

[data-chronos-interactive][data-chronos-signal="amber"] {
  --chronos-signal-color: #ffd071;
  --chronos-signal-secondary: rgba(114, 232, 255, .72);
}

[data-chronos-interactive][data-chronos-signal="red"] {
  --chronos-signal-color: #ff7984;
  --chronos-signal-secondary: rgba(255, 208, 113, .72);
}

[data-chronos-interactive] > .chronos-interaction-signal {
  position: absolute;
  z-index: 8;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  border-radius: inherit;
  opacity: 0;
  background:
    repeating-linear-gradient(0deg, transparent 0 6px, color-mix(in srgb, var(--chronos-signal-color) 10%, transparent) 7px 8px, transparent 9px 15px),
    linear-gradient(90deg, transparent 0 42%, color-mix(in srgb, var(--chronos-signal-secondary) 9%, transparent) 44%, transparent 47% 62%, color-mix(in srgb, var(--chronos-signal-color) 11%, transparent) 65%, transparent 69%);
  mix-blend-mode: screen;
}

[data-chronos-interactive] > .chronos-interaction-signal::before,
[data-chronos-interactive] > .chronos-interaction-signal::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

[data-chronos-interactive] > .chronos-interaction-signal::before {
  inset: -40% -24%;
  background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--chronos-signal-secondary) 22%, transparent) 42%, color-mix(in srgb, var(--chronos-signal-color) 20%, transparent) 54%, transparent 70%);
  opacity: .22;
  filter: blur(8px);
  transform: skewX(-16deg) translateX(-62%);
}

[data-chronos-interactive] > .chronos-interaction-signal::after {
  inset: 0;
  background: linear-gradient(90deg, transparent 0 35%, color-mix(in srgb, var(--chronos-signal-secondary) 8%, transparent) 42%, transparent 49% 64%, color-mix(in srgb, var(--chronos-signal-color) 10%, transparent) 70%, transparent 77%);
  opacity: 0;
}

[data-chronos-interactive].chronos-pulse > .chronos-interaction-signal {
  animation: chronos-glitch-flash 150ms steps(2, end) both;
  box-shadow: inset 0 0 18px color-mix(in srgb, var(--chronos-signal-color) 7%, transparent);
}

[data-chronos-interactive].chronos-pulse > .chronos-interaction-signal::before {
  animation: chronos-edge-sweep 150ms steps(2, end) both;
}

[data-chronos-interactive].chronos-pulse > .chronos-interaction-signal::after {
  animation: chronos-glitch-split 150ms steps(2, end) both;
}

[data-chronos-interactive].chronos-pulse {
  animation: chronos-glitch-panel 150ms steps(2, end) both;
}

[data-chronos-interactive].chronos-pressed {
  filter: brightness(1.1) saturate(1.08);
}

[data-chronos-interactive].chronos-focus > .chronos-interaction-signal,
[data-chronos-interactive]:focus-visible > .chronos-interaction-signal {
  opacity: .42;
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--chronos-signal-color) 72%, transparent), 0 0 0 2px color-mix(in srgb, var(--chronos-signal-color) 28%, transparent);
}

[data-chronos-interactive].active > .chronos-interaction-signal,
[data-chronos-interactive].selected > .chronos-interaction-signal,
[data-chronos-interactive][aria-selected="true"] > .chronos-interaction-signal,
[data-chronos-interactive][aria-pressed="true"] > .chronos-interaction-signal {
  opacity: .16;
  box-shadow: inset 0 0 20px color-mix(in srgb, var(--chronos-signal-color) 12%, transparent);
}

[data-chronos-interactive]:disabled > .chronos-interaction-signal,
[data-chronos-interactive][aria-disabled="true"] > .chronos-interaction-signal {
  display: none;
}

/* The historical public effect was scene-wide: scanlines and a subtle RGB
 * displacement crossed the complete animation, not only the hovered button. */
[data-public-scene].chronos-scene-pulse::before {
  content: "";
  position: absolute;
  z-index: 4;
  inset: 0;
  pointer-events: none;
  background:
    repeating-linear-gradient(0deg, transparent 0 8px, rgba(0, 240, 255, .12) 9px 10px, transparent 11px 17px),
    linear-gradient(90deg, transparent 0 42%, rgba(255, 0, 82, .09) 44%, transparent 47% 62%, rgba(0, 240, 255, .1) 65%, transparent 69%);
  mix-blend-mode: screen;
  animation: chronos-scene-glitch-flash 150ms steps(2, end) both;
}

[data-public-scene].chronos-scene-pulse > .public-hero-content,
[data-public-scene].chronos-scene-pulse > .public-hero-readout,
[data-public-scene].chronos-scene-pulse .public-ai-telemetry,
[data-public-scene].chronos-scene-pulse .public-section-heading,
[data-public-scene].chronos-scene-pulse .public-economy-card,
[data-public-scene].chronos-scene-pulse .public-battle-stage,
[data-public-scene].chronos-scene-pulse .public-node-board {
  animation: chronos-scene-glitch-panel 150ms steps(2, end) both;
}

@keyframes chronos-glitch-flash {
  0% { opacity: 0; }
  35% { opacity: .7; transform: translateX(-1px); }
  70% { opacity: .24; transform: translateX(2px); }
  100% { opacity: 0; }
}

@keyframes chronos-edge-sweep {
  0% { transform: skewX(-16deg) translateX(-62%); opacity: 0; }
  35% { opacity: .28; }
  100% { transform: skewX(-16deg) translateX(260%); opacity: 0; }
}

@keyframes chronos-glitch-split {
  0% { opacity: 0; transform: translateX(0); }
  35% { opacity: .44; transform: translateX(-1px); }
  70% { opacity: .18; transform: translateX(2px); }
  100% { opacity: 0; transform: translateX(0); }
}

@keyframes chronos-glitch-panel {
  0%, 100% { filter: none; }
  35% { filter: drop-shadow(2px 0 var(--chronos-signal-secondary)) drop-shadow(-2px 0 var(--chronos-signal-color)); transform: translateX(-1px); }
  70% { filter: drop-shadow(-1px 0 var(--chronos-signal-secondary)) drop-shadow(1px 0 var(--chronos-signal-color)); transform: translateX(1px); }
}

@keyframes chronos-scene-glitch-flash {
  0% { opacity: 0; transform: translateX(0); }
  35% { opacity: .82; transform: translateX(-3px); }
  70% { opacity: .34; transform: translateX(4px); }
  100% { opacity: 0; transform: translateX(0); }
}

@keyframes chronos-scene-glitch-panel {
  0% { transform: translate3d(0, 0, 0); filter: none; }
  35% { transform: translate3d(-2px, 0, 0); filter: drop-shadow(2px 0 rgba(255, 0, 82, .24)) drop-shadow(-2px 0 rgba(0, 240, 255, .3)); }
  70% { transform: translate3d(3px, 0, 0); filter: drop-shadow(-1px 0 rgba(255, 0, 82, .2)) drop-shadow(1px 0 rgba(0, 240, 255, .24)); }
  100% { transform: translate3d(0, 0, 0); filter: none; }
}

@media (prefers-reduced-motion: reduce) {
  [data-chronos-interactive].chronos-pulse,
  [data-chronos-interactive].chronos-pulse > .chronos-interaction-signal,
  [data-chronos-interactive].chronos-pulse > .chronos-interaction-signal::before,
  [data-chronos-interactive].chronos-pulse > .chronos-interaction-signal::after {
    animation: none;
  }

  [data-public-scene].chronos-scene-pulse::before,
  [data-public-scene].chronos-scene-pulse > .public-hero-content,
  [data-public-scene].chronos-scene-pulse > .public-hero-readout,
  [data-public-scene].chronos-scene-pulse .public-ai-telemetry,
  [data-public-scene].chronos-scene-pulse .public-section-heading,
  [data-public-scene].chronos-scene-pulse .public-economy-card,
  [data-public-scene].chronos-scene-pulse .public-battle-stage,
  [data-public-scene].chronos-scene-pulse .public-node-board {
    animation: none;
  }

  [data-chronos-interactive]:hover,
  [data-chronos-interactive]:focus-visible,
  [data-chronos-interactive].chronos-focus,
  [data-chronos-interactive].chronos-pressed {
    border-color: var(--chronos-signal-color);
    box-shadow: 0 0 0 1px color-mix(in srgb, var(--chronos-signal-color) 45%, transparent);
  }

  [data-chronos-interactive].chronos-pressed {
    filter: none;
  }
}